History
 

271

World

General

Population: Between 190 and 230 million*
  • Technology: Earliest known compass invented in China

Asia

  • China: Earliest known compass invented

Europe

  • Roman Empire: Building of the Aurelian walls around Rome begins
    Aurelian defeats Marcomanni and Alemannim
    Palmyra revolts against Roman occupation - is crushed



 
 
 
 
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